Table 1 The correlation between preoperative patient characteristics and NT-proBNP level

Age (y)

61.25 ± 12.54

-

−0.002

0.982

Female/male

156/69

1048/705.6

-

0.067

NYHA I-II/NYHA III-IV

97/128

277.0/1176.0

-

<0.001

LVEF

0.60 ± 0.11

-

−0.397

<0.001

LVEDD (mm)

56.29 ± 35.93

-

0.290

<0.001

Pulmonary pressure (mmHg)

46.43 ± 17.49

-

0.482

<0.001

Preoperative Cr (μmol/L)

86.66 ± 27.01

-

0.220

0.001

Preoperative CK-MB (IU/L)

20.31 ± 33.23

-

−0.084

0.285

Preoperative cTnT (μg/L)

0.13 ± 0.57

-

0.476

<0.001

Preoperative Af/no

56/169

2148.5/467.6

-

<0.001

CABG/valvular surgery

115/88

436.7/1374.5

-

<0.001